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4 <br /> the associated stockpile (Stockpile 2) was reported to contain total extractable petroleum . <br /> hydrocarbons of 640 mg/kg The soil sample from below the remote fill line (RF) was <br /> reported to contain total extractable petroleum hydrocarbons of 3,500 mg/kg and xylenes of <br /> 0.034 mg/kg A soil sample collected approximately 6 feet below former tank bottom <br /> (ST-2D)was reported to contain total extractable petroleum hydrocarbons below detection <br /> limits <br /> 2 The soil samples from below the former 10,000-gallon wastewater tank(ST-3A,B) were <br /> reported below detection limits for total extractable petroleum hydrocarbons, BTEX, <br /> chlorinated hydrocarbons, and PCBs The soil sample from the associated stockpile <br /> (Stockpile 3)was reported to contain total extractable petroleum hydrocarbons of <br /> 22 mg/kg, and PCBs of 0 095 mg/kg. BTEX and chlorinated hydrocarbons were reported <br /> below detection limits Discoloration of the soils was noted on the north wall of the tank <br /> cavity following removal of the tank, <br /> 3 The soil samples from below the former 2,000-gallon gasoline tank(ST lA, B) and from the <br /> associated stockpile (Stockpile 1)were reported to contain 1.4 mg/kg total petroleum <br /> hydrocarbons as gasoline. BTEX, tetraethyl lead and ethylene dibromide were reported . <br /> below detection limits of 0 0024, 6 0 and 0 0006 mg/kg,respectively <br /> 5.0 ADDITIONAL. WORD <br /> 1. Due to the presence of elevated levels of petroleum hydrocarbons in the soils beneath the <br /> former underground storage tanks, additional soils investigation and removal activities were <br /> completed and a final report is being prepared. The additional activities were performed <br /> under the review of Ms Diane Hinson of San Joaquin County. <br /> ENVIRONMENTAL SOLUTIONS <br />